1072669 has 8 divisors (see below), whose sum is σ = 1167320. Its totient is φ = 979776.

The previous prime is 1072657. The next prime is 1072711. The reversal of 1072669 is 9662701.

It can be written as a sum of positive squares in 4 ways, for example, as 131769 + 940900 = 363^2 + 970^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1072669 - 2⁵ = 1072637 is a prime.

It is a super-2 number, since 2×1072669² = 2301237567122, which contains 22 as substring.

It is a Duffinian number.

1072669 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (145915).

2^1072669 is an apocalyptic number.

It is an amenable number.

1072669 is a deficient number, since it is larger than the sum of its proper divisors (94651).

1072669 is a wasteful number, since it uses less digits than its factorization.

1072669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1072669 is about 1035.6973496152. The cubic root of 1072669 is about 102.3658844789.

The spelling of 1072669 in words is "one million, seventy-two thousand, six hundred sixty-nine".